Card: Svogthos, the Restless Tomb
Casting Cost:
Color: Green
Type: Land
Rules Text: {T}: Add {1} to your mana pool. {3}{B}{G}: Until end of turn, Svogthos, the Restless Tomb becomes a black and green Plant Zombie creature with "This creature's power and toughness are each equal to the number of creature cards in your graveyard." It's still a land.

Magic: The Gathering-CommanderUncommon
Ravnica: City of GuildsUncommon